Samsung no longer manufactures Galaxy Note 3 devices, as its successor has already been released.

Marine animals use a particular form of calcium carbonate known as aragonite to create their shells, but when concentrations of calcium and carbonate ions fall below certain levels, the aragonite-based shells can start to dissolve, especially in the early stages of life of marine animals, when the shells are newly-formed and often fragile, the researchers say.

This is the first time we've heard about a second Android-based smartphone from BlackBerry, and you can clearly see the Passport's familiar keyboard and Android navigation buttons in his tweet.